National Instruments DAQ 6527 User Manual page 43

Glossary
O
optocoupler
optical isolation
P
PCI
port
PXI
R
rms
S
S
s
SCXI
signal conditioning
6527 User Manual
a device that transfers electrical signals by utilizing light waves to provide
coupling with electrical isolation between input and output
the technique of using an optocoupler to transfer data without electrical
continuity, to eliminate high-potential differences and transients
Peripheral Component Interconnect—a high-performance expansion bus
architecture originally developed by Intel to replace ISA and EISA.
a digital port, consisting of four or eight lines of digital input and/or output
PCI eXtensions for Instrumentation—an open specification that builds on
the CompactPCI specification by adding instrumentation-specific features
root mean square
samples
seconds
Signal Conditioning eXtensions for Instrumentation—the National
Instruments product line for conditioning low-level signals within an
external chassis near sensors so only high-level signals are sent to DAQ
boards in the noisy PC environment
the manipulation of signals to prepare them for digitizing
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